About the Suction Hose
PVC suction delivery pipe is a suction hose which have a good negative pressure resistance. Because of the “skeleton”, responsible for supporting the tube wall and preventing it from being sucked flat during suction.
For this suction hose, the popular size segment is 1 inch to 4 inches (25mm – 100mm). And this range covers the vast majority of equipment interfaces and small to medium flow applications. For us, it is the largest segment in production and procurement. Hopefully the following content shows will help you select the right size.
Popular Size and Application
| Popular Size (inch) | Popular Size (mm) | Typical application and Machine | Senarios Feature Illustration |
| 1”-1.5” | 25-38 | Laboratory equipment, small industrial vacuum cleaners, small aquariums. | Those size suitable for small flow capacity, frequently move and handle,have a good flexibility and light in weight |
| 2”-3” | 50-75 | Agricultural pump machine, small pump connections, packaging machinery, mild wastewater treatment. | The most versatile size segment. It balances flow, portability, and cost. Suitable for most fixed or mobile industrial scenarios. |
| 4” | 100 | Large container cleaning, conveying in the chemical industry, large aquariums or aquaculture systems. | Suitable for high flow requirements. Usually used as part of a fixed installation piping system or to connect large equipment. |
| 5”-6” | 125-150 | Large-scale industrial applications: such as industrial wastewater treatment plants, and bilge pumping in large ships. | These are large pipes uaually handle very large flows and volumes. They are typically fixed installations and require higher negative pressure resistance and strength from the hose. |
Key considerations when choosing a size
Flow rate requirements: This is the primary factor in determining pipe size. And the larger the pipe size, the greater the amount of fluid or air that can flow through it per unit time.
Equipment interfaces: The hose size must match the interface dimensions of your pump, equipment inlet/outlet, and piping system.
If you are unsure the size of PVC suction delivery pipe, please provide us with your specific application details (sucha as flow requirements, equipment model, etc.) . And we can recommend the most cost-effective size for you.
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